4D - Aerospace Research & Simulation	R103
AC-B GmbH	R511
Adacel Inc	R202
ADPi	H717
AENA	D410
Aeronautical & General Instruments Ltd	D128
Aerotechnica	R304
Airbus	H504
Airservices UK	H615
Airtel ATN	R514
Airways International	R403
Alan Dick UK Ltd	H807
ALES Ltd Strakonice	D206
All Weather Inc	D109
Altran Praxis	R307
Ambicon	H808
APAC GesmbH	D208
ARTISYS S.R.O.	R408
ASC Signal Corporation	R304B
ATIS systems GmbH	H116
AT-One	H518
ATRiCS	H801
AviBit	H604
Avitech AG	H718
Barco NV	H212
Beel Technologies Inc	R502A
Boeing	H500
Cadmos Microsystems S.R.L.	R410
CANI - Air Navigation Services of the Czech Republic	D307
CANSO	D400
Certisa Ltd	H511
Clement Clarke Communications Ltd	H821
Coastal Environmental Systems Inc	H702
Cobham	D401
COMSOFT GmbH	H216
Copperchase Ltd	H418
delair Air Traffic Systems GmbH	H417
DFS Deutsche Flugsicherung GmbH	R203
Diamond Antenna & Microwave Corporation	R513
Dot Technologie	R601
EADS Defence & Security	H504
Easat Antennas Ltd	D509
Edda Systems AS	D501
EGIS Avia	H103
Eizo Nanao Corporation	H614
EIZO Technologies GmbH	H614
Eldis Pardubice Ltd	H719
ENAC-Ecole Nationale de lAviation Civil	R304
ENAV S.p.A.	H412
Entry Point North AB	H317
Era	D520
ESRI	R505
ETSI	D130
Eurasia Coordination Council	D215
EUROCONTROL	D418
FABEC	H320
Fernau Avionics Limited	H711
Flight ATM Systems Ltd	H115
FORMATION INC	H806
Formation Inc	H806
Frequentis AG	H200
GE Aviation / Naverus	R402A
General Digital Corporation	R101
GroupEAD Europe S.L.	H221
Guntermann & Drunck GmbH	R501
Harris/SolaCom ATC Solutions	R401
Helios	D108
HITT Traffic	H316
Honeywell International Inc	R200
Host Systems Ltd	R506
IDS Ingegneria dei Sistemi S.P.A.	R305
Ifield Computer Consultancy Ltd	D210
Imtradex Hör-/Sprechsysteme GmbH	H210
Indra	D404
INECO	D500
Ingenieria de Sistemas para la Defensa de España	D127
Integra Consult A/S	D308
Intelcan	H714
Intermap Technologies	H701
ITT Corporation	H508
Jotron AS	H712
Korea Airports Corporation	H706
L3 Communications	D207
Lockheed Martin	D300
Lockheed Martin MS2	D220
Luciad NV	H315
Lund Halsey	R406
Managed AIS	H703
Metron Aviation Inc	D502
Micro Nav	H220
MOPIENS INC.	H720
Nanjing Large Scale Electronics	H806
NATS	D114
NAV CANADA	R420
NICE CTI Systems UK Ltd	D214
Nita	R303
Northrop Grumman	H600
NRPL Group Oy	D608A
NTT Advanced Technology Corp.	R301
NTT Data Corporation / DW International	H809
Osprey Consulting Services Ltd	R413
Peleng JSC	D222
Performance Technologies	R301A
Plantronics	H701
Precision Applications Ltd	D600
Principle	R203
PrismTech Ltd	R512
Quintiq	R102
R.I.S.K.	H125
Radiocom, Inc	H618
RAMET C.H.M. a.s.	H807
Raytheon Company	D200
Real-Time Consultants plc	R503
Ricochet	H613
Rockshore	R100
Rohde & Schwarz GmbH & Co.	D100
S.I.T.T.I. S.p.A.	D508
Saab AB	D320
Schmid Telecom AG	H416
SELEX Communications	H401
SELEX Sistemi Integrati S.p.A.	H400A
Sennheiser Electronic GmbH & Co KG	R105
Sensis Corporation	R306
SESAR Joint Undertaking	R402
Si ATM	H100
SITA INC Sarl	D213
Sony Electronics Inc	R400
Southern Avionics Company	R504
Sunhillo Corporation	R500
Systems Interface Ltd	H101
T - CZ, a.s.	R411
Tech Source, Inc	H614
Techno Sky	H315
Telephonics Corporation	R402D
Telerad	D115
Telvent	D212
Terma A/S	H723
THALES	H300
The MITRE Corporation	H102
Think Research Ltd	D130A
Thinking Space Systems Ltd.	R502
Thruput Limited	D503
Time & Frequency Solutions	H802
TMD Technologies Ltd.	H513
Topex	D131
Ubitech Systems Inc	R402C
UFA Inc.	H114
Ultra Electronics AudioSoft	D129
Vaisala Oyj	R404
Vitrociset S.p.A.	H512
VNIIRA JSC	R201
Weather Decision Technologies Inc	R412
Weather Services International	9R304a
WIDE Corporation	D306